Malware Analysis Report

2025-01-18 12:27

Sample ID 240831-by1b2sxhqg
Target 76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
SHA256 76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd
Tags
formbook he2a discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd

Threat Level: Known bad

The file 76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe was found to be: Known bad.

Malicious Activity Summary

formbook he2a discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 01:33

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 01:33

Reported

2024-08-31 01:36

Platform

win7-20240708-en

Max time kernel

23s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3060 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 3060 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

Network

N/A

Files

memory/3060-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/3060-1-0x0000000000120000-0x00000000001D8000-memory.dmp

memory/3060-2-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/3060-3-0x00000000004F0000-0x0000000000508000-memory.dmp

memory/3060-4-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/3060-5-0x0000000005320000-0x0000000005396000-memory.dmp

memory/2852-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2852-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2852-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2852-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3060-14-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2852-15-0x0000000000930000-0x0000000000C33000-memory.dmp

memory/2852-16-0x0000000000930000-0x0000000000C33000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 01:33

Reported

2024-08-31 01:36

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe
PID 2360 wrote to memory of 4472 N/A C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe

"C:\Users\Admin\AppData\Local\Temp\76ca3bedb80b3725aa6cded3b43770a23079f239afa5417d57b4b162f682c8bd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 34.197.79.40.in-addr.arpa udp

Files

memory/2360-0-0x000000007518E000-0x000000007518F000-memory.dmp

memory/2360-1-0x0000000000980000-0x0000000000A38000-memory.dmp

memory/2360-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

memory/2360-3-0x0000000005430000-0x00000000054C2000-memory.dmp

memory/2360-4-0x00000000055E0000-0x00000000055EA000-memory.dmp

memory/2360-5-0x0000000075180000-0x0000000075930000-memory.dmp

memory/2360-6-0x0000000005860000-0x0000000005878000-memory.dmp

memory/2360-7-0x000000007518E000-0x000000007518F000-memory.dmp

memory/2360-8-0x0000000075180000-0x0000000075930000-memory.dmp

memory/2360-9-0x00000000066B0000-0x0000000006726000-memory.dmp

memory/2360-10-0x0000000006910000-0x00000000069AC000-memory.dmp

memory/4472-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2360-13-0x0000000075180000-0x0000000075930000-memory.dmp

memory/4472-14-0x00000000013C0000-0x000000000170A000-memory.dmp